<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title></title>
    <meta name="description" content="convas Sample">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" href="./index.css">
</head>

<body>
    <div class="a">
        <canvas id="gameUI" width="400px" height="400px" style="margin: auto"></canvas>
    </div>
    <script src="./index.js" async defer></script>
</body>

</html>